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Патент USA US2118417

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May 24, 1938.
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c. <5. RICHARDSON
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SEMIDECATING APPARAi‘US
Filed March 9, _ 1935
2,118,417
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2 Sheets-Sheet 1
I7106715011
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SLMJM
?ormiy
May 24, 1938.
2,118,417
c. G. RxcHARbséN
SEMIDECATING APPARATUS
Fil‘éd March 9, 1955
2 Sheets-Sheet 2
1.1129
419
19a 70 f
6%).
2,118,417
Patented May 24, 1938
UNITED STATES.
PATENT OFFICE '
2,118,417
SEMIDECATING APPARATUS
Charles G. Richardson, Spring?eld, 'Vt., assignor
to Parks & Woolson Machine Company,
Spring?eld, Vt., a corporation of Vermont
Application March 9, 1935, Serial No. 10,261
5 Claims. (Cl. 26-56)
This invention relates to cloth ?nishing ma
chines of the type that are used for semi-decating
fabrics by treating them to a dry steaming proc
ess to give softness of feel and surface luster to
such fabrics, whether woven, knitted or felted.
According to usual practice such machines
comprise essentially a revoluble perforated
steaming drum on which the cloth is wound, to
gether with a carrier apron which carries the
cloth ?rst around a presser roll before the apron
and the cloth to be treated are coiled upon the
Fig. l is a side elevation showing so much of
the steaming or decating machine as is necessary
to understand this invention.
~
5
Fig. 2 is a front elevation showing a double ma
chine for treating two pieces of tubular fabric
simultaneously, a portion being broken away to
permit showing on an adequate scale.
Fig. 3 is a vertical section showing the steam
ing drum, presser roll, apron and spreader in
steaming drum. When tubular fabrics, such as
pieces of knitted fabric are treated, it is custom
their operative relationship. .
ary to employ a spreader frame arranged to be
supported. and held in position to allow the tubu
the supporting cage for the spreaders, the upper
pair of cage rolls ‘being shown in central hori 15
lar fabric to be drawn around it for spreading
zontal section.
Fig. 5 is a perspective view illustrating the pre
purposes before the fabric is delivered to the
apron. As heretofore constructed, such machines
have usually provided a horizontal table or sup
porting means for supporting the spreader frame
in horizontal position, but such machines have
not proved altogether satisfactory because of the
tendency to unequal tension on opposite sides of
the fabric surrounding the spreader. - Moreover,
such arrangement with the spreader frame in
front of the presser roll tends to keep the opera
tor at an inconvenient distance away from the
steaming drum when attending the machine.
It is the object of the present invention to over
3O come these and other faults inherent in previous
arrangements and provide a construction and
arrangement that not only affords to the opera
tor close and convenient access to the fabric as it
is being wound on or unwound from the steaming
drum, but also to provide a construction and ar
rangement that results in delivering to the feed
apron such tubular fabric in a perfectly ?at and
smooth condition which it retains in the subse
quent winding, steaming and unwinding of the
fabric. With my present construction and ar
rangement the tubular fabric passes upward,
around a suspended spreader frame which, while
affording easy passage of the tubular fabric to
45
trated a ‘construction and arrangement embody
ing the principles of this invention, in which
the carrier apron, maintains the fabric in per
fectly spread condition with all portions under
equal tension and delivers it, while so spread upon
the carrier or feed apron, without wrinkling or
contraction. At the same time the arrangement
permits the operator to stand very close to the
work, secures accurate positioning of the spreader
frame while allowing quick removal and replace
ment of spreaders of different size when treating
tubular fabrics of different width.
In the accompanying drawings I have illus
55
Fig. 4 is a plan view of the mechanism forming
ferred construction of a spreader frame.
As will be understood by those skilled in the
art for ?nishing purposes the cloth a: is wound 20
around the steaming drum in conjunction with
the feed or carrier apron 1/, which acts not only
to carry and wind the cloth smoothly in coils
around the drum but holds it ?rmly in place when
the steam admitted to the interior of the drum
escapes through the perforations in the periph
eral wall and passes through the alternate layers
of apron and cloth. After the fabric has been
subjected to this dry steaming operation for a
su?icient length of time, the steam is shut off and 30
a vacuum pump is set in operation to draw air
through the cloth, which has a quick cooling ef
fect upon the fabric.
Instead of delivering the tubular fabric to be ,
treated to the feed apron after it passes around 35
a horizontally disposed spreader mounted on a
horizontal support, the present invention sus
pends the spreader frame in a vertical position
from a supporting cage, which does not interfere
with the travel of the cloth to its points of con
tact with the apron above the upper end of the
delivery frame. Moreover, the delivery frame is
provided with an upward extension beyond its
supporting cross bar which extends very close to
the initial delivery point of the cloth upon the
feed apron, so that there is no possibility of con
traction of the tubular fabric as it leaves the
spreader and engages therfeed apron.
The perforated steaming drum l is of the usual
type and arranged in front of it on a horizontal 50
slidable carrier frame 3 is a revoluble presser roll
2, which is normally pressed into contact with
the periphery of the steaming roll by the tension
of the feed apron y which passes from beneath,
upward and over the presser roll, thence down 55
2
2,118,417
ward underneath and around the steaming drum.
Somewhat below the level of the presser roll is
arranged a horizontally disposed cage ill, whose
details of construction will be presently described,
which forms a suspension support for the spread
er frame [2. This spreader frame is here shown
as comprising a skeleton construction consisting
of a peripheral wire, whose bottom receiving end
is provided with corners of relatively large cur
vature, shown at i2", and whose upper corners,
the tubular fabric in stretched or spread condi
tion until it is delivered to the feed apron.
Directly below the spreader is located a guide
roll 8, whose ends are supported in side frames 9,
which delivers the tubular fabric in flat condition
to the lower or receiving end of the spreader.
To prevent lateral displacement of the sus
pended spreader there is located a pair of opposed
guide rolls 25 adjustably mounted to lightly en
gage the upwardly moving side edges of the tubu
as shown at I21“, are of very small curvature. Wlar fabric as it travels along the sides of the
For the purpose of loosely suspending the spread- - ‘spreader. These rollers are carried by brackets
er there is provided a cross bar 13, preferably of
26 adjustably secured to a horizontal cross bar 21
15
tubular construction, whose end portions are ?at
tened and provided with shallow notches for the
reception of the sides of the wire frame to which
the cross bar is soldered, or otherwise secured,
so as to present no obstruction'to the travel of
the tubular fabric around the frame.
7
The cage H3 in which the spreader is suspend
ed comprises four rolls'arranged in upper and
lower horizontal ‘pairs. The two back rolls and
the lower front roll Hi are of tubular form and
are mounted upon horizontal supporting rods l5
by means of ball bearing races i6 interposed be
tween the interior supporting rod or girt and the
end portions of the roll.
'
The upper front roll I8 is mounted to provide
quick detachment in order that it may be readily
30 removed for insertion of the spreader frame and
replaced to retain it in proper position to guide
and spread the tubular fabric. As shown in Fig.
4,, the ?xed supporting brackets II, which carry
the ends of the girts 15, are provided with sockets
35 at their forward ends for supporting a horizontal
pin l9, whose outer end Isa is enlarged and bored
to form'a spring retaining chamber slotted on one
side for the reception of a telescoping gudgeon 20
which projects into the interior of the ball race 2|
inserted in the end of the roller [8, said gudgeon
26 being provided with a retaining pin projecting
into the slot of the member I9a.
A similar ball race 2| at the other end of the
roller engages the projecting end of a stationary
gudgeon 22, so that the roll I8 is very easily re
volved upon its axis and can be instantly removed
by retracting the gudgeon 20 to permit the with
drawal of the roller from its supporting, gudgeons
or pins.
This four-roll support serves not only as
a suspension means for suspending the spreader
frame downward, but equally prevents any upward
or tilting displacement of the spreader frame.
As the sides of the spreader frame are con
tinued upward beyond the cross bar to the point
where the tubular fabric travelling over it meets
the feed apron, it will be seen that the spreader
functions to maintain the fabric in its flattened
spread and unwrinkled condition until the fabric
actually is delivered upon the feed apron.
60
A weighted roller at 4, resting in slotted bear
ings, serves to keep the tubular fabric pressed
against the apron and keeps it smooth.
An elongated slotted bearing member 5 extend
65
ing upward from each side frame serves as a guid
ing support for the winding mandrel upon which
the treated fabric is wound when the machine is
reversed for the purpose of rewinding the apron
upon the apron roll 6, as both the apron and the
70 cloth unwind from the steaming drum I.
The upward extensions of the spreaderrframe
above the cross bar are preferably joined together
by the top cross wire to give additional stiffness,
but this is not essential to allow the spreading
75, sides to perform their function of maintaining
supported by the side frames 9.
The path of travel of the strips of tubular fab 15
ric is indicated by dotted lines on either side of
the spreader frame l2 in Fig. 2.
What I claim is:
1. In a cloth ?nishing machine of the type de—
scribed the combination of a vertical spreader
frame provided with a horizontal cross bar inter
mediate its upper and lower ends for suspending
the spreader inside an upwardly travelling tu~
bular fabric, a horizontal support for said spread
er comprising upper and lower pairs of spreaders 25
supporting and guiding rollers spaced apart to
form means below and above the spreader cross
bar for preventing vertical or tilting movements
when engaging said cross bar through the me
dium of the interposed tubular fabric surround
ing said spreader.
2. In a cloth ?nishing machine the combina
tion of a spreader suspended in a vertical plane
and dimensioned to penetrate and stretch out
in flattened ‘form a piece of tubular fabric, the 35
spreader being provided with a cross member of
greater thickness than the remainder of the
spreader and forming means for suspending
the spreader when enveloped in a tubular
fabric, means above the top of the spread
40
er for drawing said fabric upward over the
spreader from bottom to top, and means com
prising upper and lower pairs of rollers disposed
on opposite sides of the spreader to engage and
loosely support said cross suspendingmember 45
and prevent tilting and vertical movement of the
spreader up or down, while permitting the tubu
lar fabric to pass around the spreader and be
tween the upper and lower pair of rolls for de
livery to a conveyor.
3. In a cloth ?nishing machine the combina
tion of a vertically suspended spreader formed
and dimensioned when enveloped in a tubular
piece of fabric to stretch the same in ?attened
55
form and having a suspending cross member in
termediate of its top and bottom portions and of
greater thickness than the remainder of the
spreader, fabric guiding means arranged beneath
the lower end of the spreader to guide a tubular 60
fabric in flattened condition upward over the
lower end of the spreader, revoluble suspension
means affording lateral and vertical support for
the spreader above and below the cross member
when the spreader is enveloped in the moving tu
bular fabric, and a feed apron traveling through
a path directly abovethe spreader in close prox
imity to the upper portion of the spreader.
4. In a cloth ?nishing machine for treating tu
bular fabric the combination with a spreader 70
provided with means for suspending it in a verti
cal plane while enveloped in the travelling tubular
fabric, and supporting means therefor embracing
upper and lower pairs of spaced rollers arranged
to form supporting means‘. on opposite sides of the 75
2,118,417
spreader and above and below said suspension
member, one of said rollers being mounted on a
quick detachable support for permitting its ready
removal and replacement.
7
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5. In a machine for ?nishing tubular fabrics,
the combination
with
a
vertical suspended
spreader frame having a suspension cross-bar in
termediate its top and bottom of greater‘ thick
ness than the spreader frame, a pair of suspen
10 sion rollers arranged on opposite sides of the
3
spreader below the cross-bar, an upper pair of
rollers arranged on opposite sides of the spreader
above the cross-bar, the rollers of each pair be
ing spaced apart enough to receive between them
the spreader frame when enveloped in the tu
bular fabric but nearer together than the thick
ness of the cross-bar, and means above the
spreader top for drawing the fabric upward be
tween the pairs of rolls and the spreader.
CHARLES G. RICHARDSON.
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